Weld County, California — public water systems
At a glance
3 active public water systems are filed under Weld County, California in EPA's SDWIS records, together reporting 490 people served. The largest is New Vision MHP, which reports serving 200 people. 2 are community water systems serving people where they live; the other 1 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
3
Population served
490
Community systems
2
Groundwater share
100%
How does Weld County compare with other California counties?
Weld County has the 68th-most active public water systems among the 201 counties listed for active California systems in EPA records; among the 72 with 3 or more systems, the median has 73. Its systems report 490 people served in total, the 77th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 163 people, well below the California average of 5,706. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Weld County's drinking water come from?
By primary water source, Weld County's active systems draw on groundwater (3, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 85% and 15% across California. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, New Vision MHP, draws primarily on groundwater.
What kinds of water systems operate in Weld County?
Weld County's active systems break down as 2 community systems (67%) and 1 transient non-community systems (33%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (100%).
Water systems in Weld County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | New Vision MHP | Weld | 200 | Community | Groundwater |
| 2 | Greeley Rv Park | Weld | 164 | Community | Groundwater |
| 3 | Greeley Rv Park South | Weld | 126 | Transient non-community | Groundwater |
Weld County water systems: frequently asked questions
How many public water systems are in Weld County, California?
EPA's SDWIS records file 3 active public water systems under Weld County, California: 2 community systems (67%) and 1 transient non-community systems (33%).
Who supplies drinking water in Weld County, CA?
The largest community water systems filed under Weld County are New Vision MHP (200 people served) and Greeley Rv Park (164 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Weld County's drinking water come from groundwater or surface water?
Of the 3 active public water systems in Weld County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, New Vision MHP, uses groundwater.
Where can I find a water quality report for Weld County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 2 community systems are filed under Weld County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Weld County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More California water systems
- All California public water systems· 7,479 active
- El Paso County· 5 systems
- Jackson County· 5 systems
- Adams County· 4 systems
- Midland County· 4 systems
- Conejos County· 3 systems
- Washington County· 3 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Public water systems in Weld County, California”, https://aquacensus.com/water-systems/california/weld (data as of October 1, 2026).